Udhayanidhi Stalin of DMK won the Chepauk-Thiruvallikeni Assembly constituency (Chennai district, Chennai & Suburbs) in the Tamil Nadu 2026 election, taking 44.76% of 140,741 votes cast. The winning margin over Selvam. D (TVK) was 7,140 votes, or 5.07 percentage points. DMK held the seat it won here in 2021.

DMK
Winning party
44.76%
Winner vote share
7,140
Margin (5.07%)
DMK → DMK
2021 → 2026 winner

Full candidate results, Chepauk-Thiruvallikeni 2026

#CandidatePartyVotesVote %
1Udhayanidhi Stalin WinnerDMK62,992
2Selvam. D 2ndTVK55,852
3AadirajaramADMK16,507
4AyshaNTK2,971
5NotaNOTA643
6Mohammed YasserBahujan Samaj Party244
7Agni AalvarIND243
8Mirza Safder AliIND185
9Rajeshkumar. KIND154
10Irfan BashaTamizhaga Vaazhvurimai Katchi145
11Rajasekar. SIND115
12Syeed Layak BhashaIND83
13AyishaIND72
14Bharathkumar. GIND69
15Mohamed Meera. AIND68
16Selvam. KIND43
17Saamy. S.K. DrIND40
18Mohamed Dharik. IIND38
19Selvam. KIND37
20Vijaya Kumar. BIND34
21Kumar. MIND33
22Selvam ( Alias ) HarinarayananIND33
23AthimulamIND30
24Milany. PIND30
25Seenivasan. LIND29
26Selvam ( Alias ) VenkateshIND26
27Arumugam. CIND25

How Chepauk-Thiruvallikeni compares to 2021

YearWinning candidatePartyVote share
2021UDHAYANIDHI STALINDMK67.89%
2026UDHAYANIDHI STALINDMK44.76%

The same party retained the seat, a swing of -23.13 percentage points in the winning vote share.

This page is part of the full Tamil Nadu 2026 election results set. Explore every seat, party efficiency, regional swing and demographics in the TN 2026 Explorer. For the wider story, see TVK’s debut mapped, the incumbents who lost, and how DMK collapsed.